Question

If f(x) = 2x - 9, which of the following are correct? Select all that apply. f(-1) = -11 f(2) = 5 f(3) = -3 f(0) = -9 f(-3) = 15

Answer 1

Explanation:

f(x) = 2x - 9

so,

f(-1) = 2×-1 - 9 = -2 - 9 = -11 correct

f(2) = 2×2 - 9 = 4 - 9 = -5 incorrect

f(3) = 2×3 - 9 = 6 - 9 = -3 correct

f(0) = 2×0 - 9 = 0 - 9 = -9 correct

f(-3) = 2×-3 - 9 = -6 - 9 = -15 incorrect